+static int
+i40e_flow_set_fdir_inset(struct i40e_pf *pf,
+ enum i40e_filter_pctype pctype,
+ uint64_t input_set)
+{
+ uint32_t mask_reg[I40E_INSET_MASK_NUM_REG] = {0};
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint64_t inset_reg = 0;
+ int i, num;
+
+ /* Check if the input set is valid */
+ if (i40e_validate_input_set(pctype, RTE_ETH_FILTER_FDIR,
+ input_set) != 0) {
+ PMD_DRV_LOG(ERR, "Invalid input set");
+ return -EINVAL;
+ }
+
+ /* Check if the configuration is conflicted */
+ if (pf->fdir.flow_count[pctype] &&
+ memcmp(&pf->fdir.input_set[pctype], &input_set, sizeof(uint64_t))) {
+ PMD_DRV_LOG(ERR, "Conflict with the first rule's input set.");
+ return -EINVAL;
+ }
+
+ if (pf->fdir.flow_count[pctype] &&
+ !memcmp(&pf->fdir.input_set[pctype], &input_set, sizeof(uint64_t)))
+ return 0;
+
+ num = i40e_generate_inset_mask_reg(hw, input_set, mask_reg,
+ I40E_INSET_MASK_NUM_REG);
+ if (num < 0) {
+ PMD_DRV_LOG(ERR, "Invalid pattern mask.");
+ return -EINVAL;
+ }
+
+ if (pf->support_multi_driver) {
+ for (i = 0; i < num; i++)
+ if (i40e_read_rx_ctl(hw,
+ I40E_GLQF_FD_MSK(i, pctype)) !=
+ mask_reg[i]) {
+ PMD_DRV_LOG(ERR, "Input set setting is not"
+ " supported with"
+ " `support-multi-driver`"
+ " enabled!");
+ return -EPERM;
+ }
+ for (i = num; i < I40E_INSET_MASK_NUM_REG; i++)
+ if (i40e_read_rx_ctl(hw,
+ I40E_GLQF_FD_MSK(i, pctype)) != 0) {
+ PMD_DRV_LOG(ERR, "Input set setting is not"
+ " supported with"
+ " `support-multi-driver`"
+ " enabled!");
+ return -EPERM;
+ }
+
+ } else {
+ for (i = 0; i < num; i++)
+ i40e_check_write_reg(hw, I40E_GLQF_FD_MSK(i, pctype),
+ mask_reg[i]);
+ /*clear unused mask registers of the pctype */
+ for (i = num; i < I40E_INSET_MASK_NUM_REG; i++)
+ i40e_check_write_reg(hw,
+ I40E_GLQF_FD_MSK(i, pctype), 0);
+ }
+
+ inset_reg |= i40e_translate_input_set_reg(hw->mac.type, input_set);
+
+ i40e_check_write_reg(hw, I40E_PRTQF_FD_INSET(pctype, 0),
+ (uint32_t)(inset_reg & UINT32_MAX));
+ i40e_check_write_reg(hw, I40E_PRTQF_FD_INSET(pctype, 1),
+ (uint32_t)((inset_reg >>
+ I40E_32_BIT_WIDTH) & UINT32_MAX));
+
+ I40E_WRITE_FLUSH(hw);
+
+ pf->fdir.input_set[pctype] = input_set;
+ return 0;
+}
+